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Created attachment 1480121 [details]
Backtrace

Description of problem: While using gnome, the user logs out automatically ( crash ) and also closes all the opened applications.

Version-Release number of selected component (if applicable):  gnome-shell-3.26.2-5.el7.x86_64

How reproducible: Frequently

Steps to Reproduce:
1. It happens with the attached backtrace.

Actual results: The user logs out automatically with gnome-shell crash

Expected results: gnome-shell should not crash

Upstream patch to fix the issue is available at 
https://gitlab.gnome.org/GNOME/mutter/commit/8626c69c

Mentioned patch was backported as part of https://bugzilla.redhat.com/show_bug.cgi?id=1638727.

Created attachment 1605705 [details]
System journal during test

TEST SETUP
Distro: RHEL 7.7 Workstation Released


TEST PROCEDURE
1. Download and install Brew build mutter-3.28.3-11.el7.
   https://brewweb.engineering.redhat.com/brew/buildinfo?buildID=944083
2. Test screen resolutions:
    1024x768
    1280x960
    1400x1050
    1600x1200
    1920x1080
3. Set several startup applications at login:
    1. evince
    2. nautilus
    3. gedit
    4. gnome-terminal
    5. firefox
4. Log in to a GNOME session.
5. Wait 10 sec. All startup applications should appear.
6. Set next screen resolution via gnome-control-center
7. Log out.
8. GOTO 5.


RESULT
Upgrading component: mutter
    from: 3.26.2-5.el7
      to: 3.28.3-11.el7
has fixed the bug.

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHSA-2020:1021